| Date | Type of tax or fee | What is due |
|---|---|---|
| 1 | Alcoholic Beverage Tax | June 2012 and 2nd quarter 2010 Distilled Spirits Common Carrier tax due |
| 15 | Alcoholic Beverage Tax (Beer Mfg, Wine Growers, Beer & Wine Importers, Distilled Spirits) | July 2012 tax due |
| Motor Vehicle Fuel Tax (Suppliers) | July 2012 prepayment due | |
| 27 | Cigarette and Tobacco Products Tax (Cigarette and Tobacco Product Distributors, Cigarette Wholesalers) | August 2012 tax due |
| Oil Spill Response, Prevention, and Administration Fees | August 2012 fees due | |
| Underground Storage Tank Maintenance Fee | August 2012 fee due | |
| 31 | Taxes for property assessed on the unsecured roll must be paid by 5 p. m. or close of business, whichever is later, to avoid a delinquent penalty | |
| Aircraft Jet Fuel Tax | July 2012 tax due | |
| Diesel Fuel Tax (Suppliers, Exempt Bus Operators, Government Entities) | July 2012 tax due | |
| Electronic Waste Recycling Fee | July 2012 fee due | |
| Emergency Telephone Users Surcharge | June 2012 and 2nd quarter 2012 taxes | |
| Hazardous Waste Disposal Fee | May 2012 fee due | |
| Hazardous Waste Facility Fee | 2nd prepayment (July – Dec 2012) due | |
| Hazardous Waste Generator Fee | 2012 prepayment due | |
| Marine Invasive Species (Ballast Water Management) Fee | July 2012 fee due | |
| Motor Vehicle Fuel Tax | July 2012 tax due |
